(CNN) -- Rescuers plucked stranded New Jersey residents from flooded neighborhoods, workers pumped water from swamped Manhattan tunnels and stunned homeowners dug through the wreckage of their houses Tuesday after Superstorm Sandy ripped into the Northeast.

"I've lived here for 39 years," Toms River, New Jersey, restaurateur Keith Paul told CNN. "I've been through several hurricanes, going back to Gloria. And I've never seen anything like this at all."

Sandy struck land near Atlantic City, New Jersey, around high tide Monday night, whipping up a storm surge that ripped apart piers on the Jersey Shore and inundated subway and highway tunnels in New York.

The U.S. death toll rose to at least 33 by late Tuesday, spanning the Eastern Seaboard from North Carolina to Connecticut, plus one in Canada. That's on top of the 67 fatalities inflicted in the Caribbean last week.

"I never thought I'd see what I saw today," New Jersey Gov. Chris Christie told reporters after spending the day reviewing the damage to his state.

Atlantic City, New Jersey, resident Kim Johnson inspects the area around her apartment building, which flooded on Tuesday, October 30. Large sections of an old boardwalk also were destroyed by Superstorm Sandy. Nearly 11,000 people spent Monday night in 258 Red Cross-operated shelters across 16 states because of Sandy, the American Red Cross tells CNN. View photos of New York recovering from impact.

Cars float in a flooded parking area on Tuesday in the financial district of New York.

A power line knocked over by a falling tree blocks a street on Tuesday in Chevy Chase, Maryland.

Waves break next to an apartment building in Atlantic City, New Jersey, on Tuesday.

Workers shovel debris from the streets in Ocean City, Maryland, on Tuesday.

A U.S. Coast Guard helicopter flies over Central Park in New York City.

A man jogs near a darkened Manhattan skyline on Tuesday after much of New York City lost electricity.

Workers clear a tree blocking East 96th Street in Central Park in New York on Tuesday.

Rising water rushes into an underground parking garage in New York's financial district on Monday, October 29.

Taxis drive down a New York street where the power was out late Monday, October 29.

A firefighter speaks to a colleague while surveying damage caused by Sandy on Monday in New York.

Flooded cars line the streets of New York's financial district Monday night.

A truck drives by a flooded gas station in the Gowanus section of Brooklyn on Monday.

A flooded street is seen at nightfall during the storm on Monday in Atlantic City, New Jersey.

Firefighters evaluate an apartment building in New York that had the front wall collapse during the storm on Monday.

Heavy rains fall in Manhattan on Monday.

People walk through water on the beach near high tide Monday as Sandy approaches Atlantic City.

Two men run down Foster Avenue while dodging high winds and waves from the storm on Monday in Marshfield, Massachusetts.

An emergency vehicle plows through floodwaters on Monday in Dewey Beach, Delaware.

A person tries to cross the street during the storm on Monday in Atlantic City.

A traffic sign warns motorists west of Philadelphia on Monday.

A wall of water makes its way to shore as residents brave the storm Monday in Ocean City, Maryland.

A downed tree and fallen power lines lie over homes Monday on Harvard Street in Garden City, New York.

Two people shoot video along Brooklyn Heights' Promenade on Monday as Sandy approaches landfall.

Work crews push sand from a roadway in Fort Lauderdale, Florida, due to storm surge related to flooding on Monday.

Two women battle wind and rain with umbrellas in hand in Philadelphia on Monday.

Kira Brizill leads family members as high tide and winds flood the street on Monday in Freeport, New York.

John Edgecombe II, who is homeless, takes refuge from the rain and wind at a bus stop in Ward Circle in Washington on Monday.

Superstorm Sandy dumped a lot of rain, flooding a part of Greenpoint, Brooklyn

A Pennsylvania Department of Transportation truck slowly drives on the Pennsylvania Turnpike as Sandy approaches Bensalem, Pennsylvania, on Monday.

Buses at Frankford terminal in Philadelphia, Pennsylvania, sit idle after Mayor Michael Nutter ordered that all city offices be closed Monday and Tuesday due to potential damage from Sandy.

A woman walks down the promenade along the East River in New York City on Monday.

Jillian Webb, left, and Arianna Corso are pelted by wind and sand on Lighthouse Beach in Chatham, Massachusetts, on Monday.

Waves slam into the sea wall in Scituate, Massachusetts, on Monday.

Chris Losordo carries his father, Vin, across a flooded road in Falmouth, Massachusetts, on Monday.

A repair truck drives down a flooded street in Rehoboth Beach, Delaware, on Monday.

Superstorm Sandy dumped a lot of rain on West Side Highway in Manhattan, NY.

Floodwaters cover the streets of Rehoboth Beach, Delaware, on Monday.

Multiple waves hit the Cooper's Beach in Southampton, N.Y.

Waves crash against a previously damaged pier in Atlantic City, New Jersey, as Hurricane Sandy approaches landfall on Monday.

High winds broke part of a crane boom on this building under construction in Manhattan, causing several nearby buildings to be evacuated.

A young boy runs along Rockaway Beach in the Queens, New York, on Monday.

A woman examines her storm-damaged porch as heavy rain continues to pour in Winthrop, Massachusetts, on Monday.

A lone figure makes his way down Seventh Street in Lindenhurst, New York, on Monday.

People brave high winds and waves in Winthrop, Massachusetts, as Hurricane Sandy moves up the coast on Monday.

A tree felled by the storm blocks Kramer Drive in Lindenhurst, New York, on Monday.

Waves crash over a street in Winthrop, Massachusetts, as Hurricane Sandy comes up the coast on Monday.

A police vehicle drives through a flooded area in New York on Monday.

The New York skyline is seen from the bank of the East River on Monday.

People walk on the boardwalk in Ocean City, Maryland, on Monday.

A man stands on the beach as heavy waves pound the shoreline Monday in Cape May, New Jersey.

The dome of the U.S. Capitol building is seen through a window as heavy rain hits Washington on Monday.

A member of the press takes a photo of a flooded street on Monday in Atlantic City, New Jersey.

A man takes a picture of the storm with his phone from the boardwalk in Ocean City, Maryland, on Monday.

A man stands on the sidewalk Monday as a vehicle drives up a flooded street in Atlantic City.

The Hudson River comes over the sea wall along the West Side Promenade in the Battery Park area in New York on Monday.

The owner of the Wilton House locks up his bar on Monday in Hoboken, New Jersey, as Hurricane Sandy approaches the area.

Two people stand near the edge of the boardwalk on Monday in Ocean City, Maryland.

People fight against the wind along Brighton Beach in New York on Monday.

A jogger runs along the East River in New York on Monday as a police car secures the area.

A man watches as the tidal surge pounds a pier in Ocean City, Maryland, on Monday.

A street on the shoreline of Milford, Connecticut, floods at high tide as Hurricane Sandy approaches on Monday.

A sailboat smashes on the rocks after breaking free from its mooring on City Island, New York, on Monday.

A lone tourist stands in Times Square early Monday as New Yorkers brace against Hurricane Sandy.

A satellite image taken at 12:25 p.m. ET Monday shows Sandy moving over the Northeast.

A restaurant on the boardwalk in Atlantic City, New Jersey, is boarded up in preparation for the bad weather on Monday.

A man walks down a flooded street in Atlantic City on Monday before the hurricane makes landfall.

Tourists wear plastic ponchos in Times Square on Monday.

Air Force One arrives at Andrews Air Force Base in Maryland. President Barack Obama canceled his appearance at a campaign rally in Orlando, Florida, and returned to Washington to monitor the response to Hurricane Sandy.

A road leading to casinos in Atlantic City is empty before the hurricane makes landfall on Monday.

Obama steps off Air Force One on Monday after arriving at Andrews Air Force Base.

A truck moves north on South Long Beach Avenue as rising water and wind ahead of Hurricane Sandy flood the area on Monday in Freeport, New York. The storm, which threatens 50 million people in the eastern third of the United States, is expected to bring days of rain, high wind and, in places, heavy snow.

An overhead sign on the Southern Parkway alerts motorists to road closings in Wantagh, New York, on Monday.

A truck fights its way through water on a road in Southampton, New York, on Monday.

Andy Becica watches the heavy surf from Hurricane Sandy wash in Monday at Cape May, New Jersey. The full force of Hurricane Sandy is expected to hit the New Jersey coastline later Monday.

Water forced ashore ahead of the hurricane starts to flood Beach Avenue in Cape May on Monday morning.

A tattered piece of a billboard blows in the wind Monday in Atlantic City, New Jersey.

Water floods a street in Atlantic City.

An ambulance maneuvers through water on Rockaway Beach Boulevard in Queens as the weather sours Monday in New York City.

People pose for pictures on the Brooklyn Bridge on Monday.

A wave crashes over the bow of a tugboat in New York Harbor on Monday.

Cape May Lighthouse shines over the heavy surf.

Dark clouds cover the skyline of Manhattan early Monday.

A satellite image shows Hurricane Sandy at 8:25 a.m. ET Monday. Forecasters warned that Sandy was likely to collide with a cold front and spawn a "superstorm" that could generate flash floods, snowstorms and massive power outages.

People stand on the beach watching the heavy surf caused by the approaching hurricane on Sunday in Cape May.

Sean Doyle of Levittown and Andrew Hodgson of Hicksville pull their boat from Long Island Sound on Sunday at Oyster Bay, New York.

With Hurricane Sandy approaching, the Long Island Railroad announced the suspension of service at 7 p.m. Sunday in Hicksville, New York.

Lisa Cellucci holds her umbrella as it is blown backward by Hurricane Sandy's winds as her friend Kim Vo watches on Sunday in Cape May.

People look at the surf as high winds and heavy rain from Hurricane Sandy arrive in Virginia Beach, Virginia, on Sunday.

A construction worker covers air vents Sunday to try to prevent the New York subway system from flooding by Hurricane Sandy. New York Gov. Andrew Cuomo announced a shutdown and suspension of all subway, bus and commuter rail service in response to the storm.

Residents of Long Beach, New York, fill sandbags on Sunday in preparation for the storm.

A satellite image from 10:10 a.m. ET on Sunday shows Hurricane Sandy in the Atlantic Ocean grazing the East Coast.

A man surfs at Rockaway Beach in Queens as Hurricane Sandy approaches Sunday.

Scott Davenport brings plywood to cover the windows at the Trump Plaza casino on the boardwalk in Atlantic City, New Jersey, on Sunday.

Bob Kaege takes a measurement while boarding up a shop in Cold Spring, New Jersey, on Saturday as Marie Jadick speaks on the telephone getting an updated weather report in preparation for Hurricane Sandy.

Houses are flooded in the neighborhood of La Javilla in Santo Domingo, the capital of Dominican Republic, on Friday.

Residents watch firefighters battle a blaze in Kingston, Jamaica, on Friday. The fire, which destroyed the home, was started by a faulty generator that was triggered when Sandy caused a blackout, firefighters said.

A motorcyclist rides through a flooded street Friday in Petit-Goâve, Haiti, where three overflowing rivers put homes and farms under water.

Corey Hutterli works on securing his sailboat as the outer bands of Hurricane Sandy are felt in Miami Beach, Florida, on Thursday, October 25.

A woman stands at the entrance of her house surrounded by flood water after heavy rain in Santo Domingo on Thursday.

People walk on a flooded street after Hurricane Sandy hit Port-au-Prince, Haiti, on Thursday.

Burt Myrich boards up a home in preparation for Hurricane Sandy on Saturday in Cape May, New Jersey.

A woman peers out the door of her house Thursday after it was damaged by Hurricane Sandy in Bayamo, Cuba.

A man clears debris from his house on Thursday. It was demolished by Hurricane Sandy in Santiago de Cuba.

Residents in Bayamo, Cuba, try to fix a house damaged by hurricane Sandy on Thursday.

A U.N. peacekeeper on Thursday stands at the edge of a bridge that was washed away by heavy rains from Hurricane Sandy in Port-au-Prince, Haiti.

A house ruined by heavy flooding from Hurricane Sandy sits abandoned in Port-au-Prince, Haiti, on Thursday.

Men deal with downed tree branches after heavy rain caused by Hurricane Sandy in Kingston, Jamaica, on Wednesday, October 24.

Students walk in floodwater from Hurricane Sandy's rain in Santo Domingo on Wednesday.

Citizens of Bayamo, Cuba, buy food on Wednesday, as they prepare for the arrival of Hurricane Sandy.

Waves hit the coast in Santo Domingo on Wednesday.

Citizens of Bayamo talk on the sidewalk on Wednesday.

People in Bayamo hold umbrellas as they purchase food Wednesday before the arrival of the hurricane.

Jamaicans shelter themselves from the rain of approaching Hurricane Sandy as they walk along the Hope River on Wednesday.

The Hope River begins to swell with rain from approaching Hurricane Sandy in Kingston on Wednesday.

Recovery efforts were starting to take hold Tuesday night. The number of electric customers shivering without power fell to just under 6.9 million, down from nearly 8 million reported earlier in the day across 15 states and the District of Columbia. Two of the New York area's major airports, John F. Kennedy and Newark Liberty, were slated to reopen Wednesday with limited service.

But thousands of people waited in shelters, not knowing whether their homes had survived. Salt water streamed down the concrete canyons of lower Manhattan as utility workers pumped out the passages that run beneath the city.

And as if the water wasn't enough, the Queens neighborhood of Breezy Point lost scores of homes to an inferno that erupted at the height of the storm even as other houses within a few blocks were washed away.

"In all honesty, it looks like a war zone," Breezy Point resident Mike Long said. "It looks like during the night, that fighter planes or bombers came through and just bombed the entire area. It just looks terrible."

Christie said about 1,000 people had been rescued Tuesday. But those efforts were scaled back at nightfall because of the hazards lurking in the dark, swirling water that lingered across much of the region.

"There's poles down, there's trees down across wires with transformers blowing up on the street," Paul said. "You go out and walk around, it's dangerous, because if you hit a puddle and it's got electricity -- there's really not much you can do until things get cleaned up a little bit."

And in Newark, Mayor Cory Booker said authorities there were still struggling to get help to residents with medical problems.

"I've got high-rise buildings with seniors who might be dependent upon power and electricity for medical machines, people who have medicine that requires refrigeration," Booker said. "We have to get to those people, have to get them secure, got to get them to hospital. We still have flooded areas. We still have a lot of challenges."

Atlantic City, famed for its beaches, boardwalk and blackjack, became an extension of the ocean as seaweed and flotsam swirled in the knee-deep water covering downtown streets. But while the property damage there was "pretty extensive," Mayor Lorenzo Langford said, "I'm happy to report that the human damage, if you will, has been minimal."

One fatality had been reported in Atlantic City, Christie said Tuesday night.

Parts of the boardwalk were washed out in the storm, Langford said, but the Atlantic City Alliance, which promotes tourism there, said the damage was limited to a residential area away from the district most tourists visit.

Christie said seeing the damage left behind to the state's treasured beaches was "overwhelming," to him "as a kid born and raised in this state."

"We will rebuild it. No question in my mind, we'll rebuild it," he said. "But for those of us who are my age, it won't be the same. It will be different because many of the iconic things that made it what it was are now gone and washed in to the ocean."

Across the Hudson River, meanwhile, parts of New York could be without electric service for four days, Consolidated Edison President Kevin Burke told reporters. Mayor Michael Bloomberg said restoring power and mass transit were the biggest challenges facing officials in the days ahead.

Fires force evacuations in Queens

High winds from Sandy knock out power

Towns flooded after possible levee break

Crane dangles off NYC high-rise

iReporters share Hurricane Sandy images

"I'm happy to say it's the beginning of a process that we all know will take a while," Bloomberg said. "But this is the end of the downside, and hopefully from here is going up."

Free but limited bus service was resumed Tuesday evening to take up some of the slack left behind by the crippled subway system, and the New York Stock Exchange was scheduled to resume trading Wednesday morning.

While the East Coast was still grappling with the scope of the disaster, federal officials warned that Sandy was an ongoing concern with the potential to inflict more pain on inland states. The storm was centered about 50 miles east of Pittsburgh and packing 45-mph winds Tuesday evening, bringing flood warnings to Michigan, Ohio and Pennsylvania and blizzard warnings to higher elevations in the Appalachian Mountains.

"The coastal impacts are certainly less today than they were last night, but the effects are not zero," National Hurricane Center Director Rick Knabb told reporters in a conference call.

Forecasters predict the storm's center of circulation will be north of the Great Lakes by Wednesday. But coastal flooding in the 2- to 4-foot range could still occur "in spots," while the potential for other floods stretched as far west as Lake Michigan, Knabb said.

The full scale of Sandy's wrath has yet to be determined. But according to a government prediction, the storm's wind damage alone could result in more than $7 billion. One estimate from Kinetic Analysis Corp., which conducts weather hazard assessments, said the storm's economic impact could be up to $25 billion.

In Washington, President Barack Obama pledged the full support of the federal government for recovery efforts. He signed major disaster declarations for New Jersey and New York on Tuesday, clearing the way for federal aid to residents and to state and local authorities.

"My instructions to the federal agency has been, 'Do not figure out why we can't do something. I want you to figure out how we do something. I want you to cut through red tape. I want you to cut through bureaucracy.' There's no excuse for inaction at this point," Obama said during a visit to the headquarters of the American Red Cross. "I want every agency to lean forward and to make sure that we are getting the resources where they need -- where they're needed as quickly as possible."

The storm's timing a week before the presidential election is tricky for Obama and Republican challenger Mitt Romney. Both candidates sought to balance the real threat of a killer storm against the need to squeeze out any last-minute advantages in battleground states ahead of next Tuesday's vote.

Obama discarded campaign events in Florida and Virginia to return to Washington and address the storm from the White House. He was scheduled to travel to New Jersey on Wednesday and survey storm damage, the White House said.

On Tuesday, Romney swapped campaign rallies for a relief event in Ohio.

"We have heavy hearts as you know with all the suffering going on in a major part of our country. A lot of people are hurting this morning," said Romney, adding that he had the chance to speak with some of the governors from the affected areas.

A mother learns that her newborn is part of a hospital evacuation. Facebook posts from a member of the HMS Bounty turn ominous. A man worries about the wind and rain, but another force of nature hits home.

Ashley Murray became the first female president of Liberty Industrial Gases and Welding Supplies Inc. in Brooklyn. But now the family history Murray was charged with preserving is at risk of ending after Superstorm Sandy.

The adage says "a picture is worth a thousand words," but when Leeann Lewandowski happened upon a photograph of her late mother on Facebook after her home was destroyed in Superstorm Sandy, she was speechless.